16247637396 has 120 divisors (see below), whose sum is σ = 42876630720. Its totient is φ = 5364880128.

The previous prime is 16247637389. The next prime is 16247637401. The reversal of 16247637396 is 69373674261.

It is a happy number.

16247637396 is a `hidden beast` number, since 1 + 6 + 247 + 6 + 3 + 7 + 396 = 666.

16247637396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25111945 + ... + 25112591.

It is an arithmetic number, because the mean of its divisors is an integer number (357305256).

Almost surely, 2^16247637396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16247637396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21438315360).

16247637396 is an abundant number, since it is smaller than the sum of its proper divisors (26628993324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16247637396 is a wasteful number, since it uses less digits than its factorization.

16247637396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1264 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 16247637396 in words is "sixteen billion, two hundred forty-seven million, six hundred thirty-seven thousand, three hundred ninety-six".